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Nikitich [7]
2 years ago
9

at the bank, Brent exchanges $50 in bills for 50 one dollar coins. the total mass of the coins is 405grams.estimate the mass of

1 one dollar coin
Mathematics
2 answers:
Korvikt [17]2 years ago
6 0
<span>0.0024691358 you just have to divide </span>
Aleksandr-060686 [28]2 years ago
5 0
Each one dollar coin weighs 8.1 grams   :) Hope I helped
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Rosa climbs a 16-meter tower to ride a straight water slide. After landing in the slash pool, she walks 9 meters back to the bas
erastova [34]

Answer:

The length of slide is 18.36 meters

Step-by-step explanation:

The given scenario forms a right-angled triangle where

The height of tower id perpendicular, the distance between slash pool and base of tower is base and the length of slide will be hypotenuse.

Height of tower = h = 16 meters

Distance between slash pool and base of tower = b = 9 meters

Length of slide = s = ?

As it is a right angled triangle, we can use Pythagoras theorem to find the length of slide

Pythagoras theorem states that:

(Hypotenuse)^2 = (Base)^2+(Perpendicular)^2\\s^2 = b^2+h^2\\s^2 = (9)^2+(16)^2\\s^2 = 81+256\\s^2 = 337\\s^2 = 18.36\ meters

Hence,

The length of slide is 18.36 meters

4 0
2 years ago
Gloria talked on her cell phone for 320 minutes the first month,243 minutes the second month,and 489 minutes the third month.Her
ratelena [41]

Answer:

I believe she spent $150 for the first three months.

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4 0
3 years ago
the temperature at noon was -27 degrees . the temperature increased by 13 degrees by 2pm . what was the temperature at 2pm
Aleks [24]
First, you would create an equation for this problem. 
-27 + 13

Now, all you would have to do is solve it. 
-27 + 13 = -14

By 2 pm the temperature was -14 degrees. 

I hope this helps!
5 0
3 years ago
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Find f (x) + g(x) f(x)=3x^2-x g(x) =2x^2+3x
Evgesh-ka [11]

Answer:

Step-by-step explanation:

3x^2 - x + 2x^2 + 3x = 5x^2 + 2x

4 0
3 years ago
i have to find the perimeter of a rectangle. one side is 7/10 (fraction) and the other side is 2 1/4 (mixed number). What is the
allochka39001 [22]
Answer is this, Attached with a photo

5 0
2 years ago
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